"By J&M®. This new passenger controller provides an easy to use passenger headset volume control, a large CB radio PTT button for positive activation, along with a passenger microphone on/off switch to help eliminate intercom wind noise from the passenger position. (Motorcycle does NOT need to have a CB radio installed to utilize the features of this controller.) Unit mounts to the right inside side seat grab rail. Electrical connections plug into the stock wiring harnesses under the seat for an easy no-hassle installation. Kit includes all necessary parts for mounting and connection, along with a complete installation/operation manual. Fits the GL1500. Single."